Redhat Enterprise Linux vulnerabilities

CVE-2012-5521 [MEDIUM] CWE-617 CVE-2012-5521: quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal

CVE-2018-19208 [MEDIUM] CWE-476 CVE-2018-19208: In libwpd 0.10.2, there is a NULL pointer dereference in the function WP6ContentListener::defineTabl In libwpd 0.10.2, there is a NULL pointer dereference in the function WP6ContentListener::defineTable in WP6ContentListener.cpp that will lead to a denial of service attack. This is related to WPXTable.h.

CVE-2021-3695 [MEDIUM] CWE-787 CVE-2021-3695: A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage of that to cause heap data corruption or eventually arbitrary code execution and circumvent secure boot protections. This issue has a high complexity to be exploited as an attacker needs to perform some triage over the heap layout to

CVE-2010-0729 [MEDIUM] CWE-264 CVE-2010-0729: A certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux (RHEL) 4 on the ia64 platfo A certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux (RHEL) 4 on the ia64 platform allows local users to use ptrace on an arbitrary process, and consequently gain privileges, via vectors related to a missing ptrace_check_attach call.

CVE-2021-4145 [MEDIUM] CWE-476 CVE-2021-4145: A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6. A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The `self` pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold o

CVE-2015-8553 [MEDIUM] CVE-2015-8553: Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS ke Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.

CVE-2021-20257 [MEDIUM] CWE-835 CVE-2021-20257: An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while proce An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerabil

CVE-2021-3941 [MEDIUM] CWE-369 CVE-2021-3941: In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = ( In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 - chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition which could affect the availability of prog

CVE-2022-0529 [MEDIUM] CWE-787 CVE-2022-0529: A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a loca A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

CVE-2018-1059 [MEDIUM] CWE-200 CVE-2018-1059: The DPDK vhost-user interface does not check to verify that all the requested guest physical range i The DPDK vhost-user interface does not check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. This may lead to a malicious guest exposing vhost-user backend process memory. All versions before 18.02.1 are vulnerable.

CVE-2012-5630 [MEDIUM] CWE-367 CVE-2012-5630: libuser 0.56 and 0.57 has a TOCTOU (time-of-check time-of-use) race condition when copying and remov libuser 0.56 and 0.57 has a TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees.

CVE-2022-0530 [MEDIUM] CVE-2022-0530: A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a loca A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

CVE-2022-1355 [MEDIUM] CWE-121 CVE-2022-1355: A stack buffer overflow flaw was found in Libtiffs' tiffcp.c in main() function. This flaw allows an A stack buffer overflow flaw was found in Libtiffs' tiffcp.c in main() function. This flaw allows an attacker to pass a crafted TIFF file to the tiffcp tool, triggering a stack buffer overflow issue, possibly corrupting the memory, and causing a crash that leads to a denial of service.

CVE-2017-5408 [MEDIUM] CWE-200 CVE-2017-5408: Video files loaded video captions cross-origin without checking for the presence of CORS headers per Video files loaded video captions cross-origin without checking for the presence of CORS headers permitting such cross-origin use, leading to potential information disclosure for video captions. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVE-2023-5547 [MEDIUM] CWE-79 CVE-2023-5547: The course upload preview contained an XSS risk for users uploading unsafe data. The course upload preview contained an XSS risk for users uploading unsafe data.

CVE-2026-104046 [MEDIUM] CWE-770 CVE-2026-104046: A flaw was found in SSSD (System Security Services Daemon). When Identity Provider (IdP) authenticat A flaw was found in SSSD (System Security Services Daemon). When Identity Provider (IdP) authentication is enabled, pre-authentication requests retain state in memory without being cleared or timed out. A local attacker can repeatedly initiate authentication flows without completing them, causing unbounded memory consumption. This memory exhaustio

CVE-2018-5117 [MEDIUM] CVE-2018-5117: If right-to-left text is used in the addressbar with left-to-right alignment, it is possible in some If right-to-left text is used in the addressbar with left-to-right alignment, it is possible in some circumstances to scroll this text to spoof the displayed URL. This issue could result in the wrong URL being displayed as a location, which can mislead users to believe they are on a different site than the one loaded. This vulnerability affects Thunderbird <

CVE-2026-82330 [MEDIUM] CWE-125 CVE-2026-82330: A flaw was found in the file-pvr plugin in GIMP. When processing a specially crafted PVR image file, A flaw was found in the file-pvr plugin in GIMP. When processing a specially crafted PVR image file, the VQ (compressed) decoder does not properly perform memory bounds checking. This missing validation results in a heap out-of-bounds read. This issue can result in an application crash, leading to a denial of service or a limited information disclos

CVE-2020-14310 [MEDIUM] CWE-122 CVE-2020-14310: There is an issue on grub2 before version 2.06 at function read_section_as_string(). It expects a fo There is an issue on grub2 before version 2.06 at function read_section_as_string(). It expects a font name to be at max UINT32_MAX - 1 length in bytes but it doesn't verify it before proceed with buffer allocation to read the value from the font value. An attacker may leverage that by crafting a malicious font file which has a name with UINT32_MAX,

CVE-2026-82328 [MEDIUM] CWE-125 CVE-2026-82328: A flaw was found in the file-ico plugin in GIMP. When processing a specially crafted ICO image file, A flaw was found in the file-ico plugin in GIMP. When processing a specially crafted ICO image file, the plugin does not properly validate the used_clrs (palette count) parameter. This incorrect validation leads to improper memory bounds checking, resulting in a heap out-of-bounds read. This issue can result in an application crash, leading to a den