Redhat Enterprise Linux vulnerabilities

CVE-2022-4254 [HIGH] CWE-90 CVE-2022-4254: sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters

CVE-2018-18751 [CRITICAL] CWE-415 CVE-2018-18751: An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.

CVE-2020-25648 [HIGH] CWE-770 CVE-2020-25648: A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

CVE-2026-11820 [MEDIUM] CWE-532 CVE-2026-11820: A flaw was found in the community.general Ansible collection's nexmo module. The module constructs H A flaw was found in the community.general Ansible collection's nexmo module. The module constructs HTTP requests to the Vonage/Nexmo SMS API by encoding API credentials (api_key and api_secret) into URL query parameters and sending them via GET requests. This causes credentials to be exposed in web server access logs, proxy logs, HTTP Referer header

CVE-2012-2142 [HIGH] CVE-2012-2142: The error function in Error.cc in poppler before 0.21.4 allows remote attackers to execute arbitrary The error function in Error.cc in poppler before 0.21.4 allows remote attackers to execute arbitrary commands via a PDF containing an escape sequence for a terminal emulator.

CVE-2023-1380 [HIGH] CWE-125 CVE-2023-1380: A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/b A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading to a denial of service.

CVE-2017-5438 [CRITICAL] CWE-416 CVE-2017-5438: A use-after-free vulnerability during XSLT processing due to the result handler being held by a free A use-after-free vulnerability during XSLT processing due to the result handler being held by a freed handler during handling. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVE-2018-5091 [CRITICAL] CWE-416 CVE-2018-5091: A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF ti A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Firefox < 58.

CVE-2020-25632 [HIGH] CWE-416 CVE-2020-25632: A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading o A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vuln

CVE-2017-5443 [CRITICAL] CWE-787 CVE-2017-5443: An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives. This v An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVE-2022-2625 [HIGH] CWE-915 CVE-2022-2625: A vulnerability was found in PostgreSQL. This attack requires permission to create non-temporary obj A vulnerability was found in PostgreSQL. This attack requires permission to create non-temporary objects in at least one schema, the ability to lure or wait for an administrator to create or update an affected extension in that schema, and the ability to lure or wait for a victim to use the object targeted in CREATE OR REPLACE or CREATE IF NOT EXISTS. G

CVE-2021-3516 [HIGH] CWE-416 CVE-2021-3516: There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a c There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.

CVE-2020-25643 [HIGH] CWE-20 CVE-2020-25643: A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corru A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well

CVE-2025-32990 [HIGH] CWE-122 CVE-2025-32990: A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing lo A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the

CVE-2016-5314 [HIGH] CWE-787 CVE-2016-5314: Buffer overflow in the PixarLogDecode function in tif_pixarlog.c in LibTIFF 4.0.6 and earlier allows Buffer overflow in the PixarLogDecode function in tif_pixarlog.c in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TIFF image, as demonstrated by overwriting the vgetparent function pointer with rgb2ycbcr.

CVE-2020-14372 [HIGH] CWE-184 CVE-2020-14372: A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the A A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is

CVE-2022-4283 [HIGH] CWE-416 CVE-2022-4283: A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh

CVE-2023-4004 [HIGH] CWE-416 CVE-2023-4004: A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_p A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.

CVE-2023-0494 [HIGH] CWE-416 CVE-2023-0494: A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerCl A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding s

CVE-2016-3616 [HIGH] CWE-476 CVE-2016-3616: The cjpeg utility in libjpeg allows remote attackers to cause a denial of service (NULL pointer dere The cjpeg utility in libjpeg allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or execute arbitrary code via a crafted file.