PT-2018-2969 · Podofo+2 · Podofo+2

Ace Team · Published 2018-11-19 · Updated 2025-09-04 · CVE-2018-20751

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions PoDoFo version 0.9.6

Description The issue is related to a NULL pointer dereference in the crop page function. This occurs when the GetObject() function is called on a pPage object that is NULL, specifically when pPage has a value of 0x0. The problem arises when a crafted PDF document is processed, potentially leading to a denial of service. The vulnerability can be exploited by a remote attacker using a specially formed file.

Recommendations For PoDoFo version 0.9.6, consider applying a patch or fix that addresses the NULL pointer dereference issue in the crop page function to prevent potential denial of service attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2021-1684

ALT-PU-2022-3234

BDU:2019-02839

CVE-2018-20751

MGASA-2020-0294

OPENSUSE-SU-2024:11178-1

OPENSUSE-SU-2025:15521-1

SUSE-SU-2019:1849-1

Affected Products

Alt Linux

Podofo

Suse

References · 61

• 🔥 https://sourceforge.net/p/podofo/tickets/33 · Exploit
• 🔥 https://research.loginsoft.com/bugs/null-pointer-dereference-vulnerability-in-crop_page-podofo-0-9-6 · Exploit
• https://ubuntu.com/security/CVE-2018-20751 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20751 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/SSB4HRLHF7H3DPNTFPTXUE6EGXXZ5JSZ · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-20751 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20751 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/Y6ZKYPW55PN6XV5XW6KZDIJLWRXON74N · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/4K6FST3UH3WNUNCIAEEGZJJASCP5ZXUF · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/5Z7UF3AC76HHLSAHVBUQWMYXHR33DR34 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0294.html · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-20751 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:1849-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-20751 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0294 · Vendor Advisory